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fix: fix a memory leak with autopipelining. #1470

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Nov 24, 2021
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fix: fix a memory leak with autopipelining. #1470

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4 changes: 4 additions & 0 deletions lib/autoPipelining.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,10 @@ function executeAutoPipeline(client, slotKey: string) {
client._autoPipelines.delete(slotKey);

const callbacks = pipeline[kCallbacks];
// Stop keeping a reference to callbacks immediately after the callbacks stop being used.
// This allows the GC to reclaim objects referenced by callbacks, especially with 16384 slots
// in Redis.Cluster
pipeline[kCallbacks] = null;

// Perform the call
pipeline.exec(function (err, results) {
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